4038890351834 has 16 divisors (see below), whose sum is σ = 6908147299368. Its totient is φ = 1754450107392.

The previous prime is 4038890351803. The next prime is 4038890351849. The reversal of 4038890351834 is 4381530988304.

It can be written as a sum of positive squares in 4 ways, for example, as 3820050705025 + 218839646809 = 1954495^2 + 467803^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4038890351834.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4568880047 + ... + 4568880930.

Almost surely, 2^{4038890351834} is an apocalyptic number.

4038890351834 is a deficient number, since it is larger than the sum of its proper divisors (2869256947534).

4038890351834 is a wasteful number, since it uses less digits than its factorization.

4038890351834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9137761009.

The product of its (nonzero) digits is 9953280, while the sum is 56.

The spelling of 4038890351834 in words is "four trillion, thirty-eight billion, eight hundred ninety million, three hundred fifty-one thousand, eight hundred thirty-four".